This feature is in response to the growing desire for high availability functionality to be extended outside of the host into virtual guest instances. Pacemaker is currently capable of managing virtual guests, meaning Pacemaker can start/stop/monitor/migrate virtual guests anywhere in the cluster, but Pacemaker has no ability to manage the resources that live within the virtual guests. At the moment these virtual guests are very much a black box to Pacemaker.

This feature is in response to the growing desire for high availability functionality to be extended outside of the host into virtual guest instances. Pacemaker is currently capable of managing virtual guests, meaning Pacemaker can start/stop/monitor/migrate virtual guests anywhere in the cluster, but Pacemaker has no ability to manage the resources that live within the virtual guests. At the moment these virtual guests are very much a black box to Pacemaker.

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The Container Resources concept changes this by giving Pacemaker the ability to reach into the virtual guests and manage resources in the exact same way resources are managed on the host nodes. Ultimately this gives the HA stack the ability to manage resources across all the nodes in cluster as well as any virtual guests that reside on those cluster nodes.

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The Container Resources feature changes this by giving Pacemaker the ability to reach into the virtual guests and manage resources in the exact same way resources are managed on the host nodes. Ultimately this gives the HA stack the ability to manage resources across all the nodes in cluster as well as any virtual guests that reside on those cluster nodes.

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Detailed Description

This feature is in response to the growing desire for high availability functionality to be extended outside of the host into virtual guest instances. Pacemaker is currently capable of managing virtual guests, meaning Pacemaker can start/stop/monitor/migrate virtual guests anywhere in the cluster, but Pacemaker has no ability to manage the resources that live within the virtual guests. At the moment these virtual guests are very much a black box to Pacemaker.

The Container Resources feature changes this by giving Pacemaker the ability to reach into the virtual guests and manage resources in the exact same way resources are managed on the host nodes. Ultimately this gives the HA stack the ability to manage resources across all the nodes in cluster as well as any virtual guests that reside on those cluster nodes.